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This should hopefully fix an overflow exception while decoding the dib format.

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Robin Krom 2022-06-30 23:34:51 +02:00
parent 48675b01f0
commit bfa8e2444e
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1 changed files with 1 additions and 2 deletions
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src/Greenshot.Editor/FileFormatHandlers/DibFileFormatHandler.cs
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@ -100,8 +100,7 @@ namespace Greenshot.Editor.FileFormatHandlers
bitmap = new Bitmap(infoHeader.Width, infoHeader.Height, bitmap = new Bitmap(infoHeader.Width, infoHeader.Height,
-(int)(infoHeader.SizeImage / infoHeader.Height), -(int)(infoHeader.SizeImage / infoHeader.Height),
infoHeader.BitCount == 32 ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb, infoHeader.BitCount == 32 ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb,
new IntPtr(handle.AddrOfPinnedObject().ToInt32() + infoHeader.OffsetToPixels + IntPtr.Add(handle.AddrOfPinnedObject(), (int)infoHeader.OffsetToPixels + (infoHeader.Height - 1) * (int)(infoHeader.SizeImage / infoHeader.Height))
(infoHeader.Height - 1) * (int)(infoHeader.SizeImage / infoHeader.Height))
); );
} }
catch (Exception ex) catch (Exception ex)